Did you know that sound can cause physical pain? It’s true — humans typically start to feel pain at around 110 decibels. When standing just a few feet away, a lion’s roar reaches about 114 decibels, ...

You probably have a good idea what a lion sounds like. Cue mighty roar. But scientists have just discovered that lions have a second, previously unnoticed type of roar, challenging long-held beliefs ...

What are Africa’s big cats saying? Discover the meaning behind their roars, saws and chirps. Lions roar, leopards saw, and cheetahs chirp, but what are they really saying? "Big Cats Unleashed" decodes ...

For decades, a lion's roar was thought to be a single, familiar sound. But hidden inside that iconic call is a second, long-overlooked "intermediary roar" that reveals a more complex vocal landscape ...

DETROW: Or some version of that sound. This particular roar comes courtesy of a lion named Jeronimo (ph). Well, what if I told you that this sound... (SOUNDBITE OF LION ROARING) DETROW: ...Was also a ...

When we think of lions, we think of that magnificent roar. A boom of sound that warns predators of their fearsome presence. However, according to research published in Ecology and Evolution journal ...

All right, think for a second about a lion's roar. You've heard this sound, I'm sure. (SOUNDBITE OF LION ROARING) DETROW: Or some version of that sound. This ...